<!DOCTYPE html>
<!-- 网站主语言 -->
<html lang="zh-cn">

<head>
    <!-- 网站采用的字符编码 -->
    <meta charset="utf-8">
    <!-- 预留网站标题的位置 -->
    <title>{% block title %}{% endblock %}</title>
    <!-- 引入bootstrap的css文件 -->
    <!-- CSS -->
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.1/dist/css/bootstrap.min.css" rel="stylesheet"
        crossorigin="anonymous">
</head>

<body>
    <!-- 引入导航栏 -->
    {% include 'header.html' %}
    <!-- 预留具体页面的位置 -->
    {% block content %}{% endblock content %}
    <!-- 引入注脚 -->
    {% include 'footer.html' %}
    <!-- jQuery and JavaScript Bundle with Popper -->
    <script src="https://cdn.jsdelivr.net/npm/jquery@3.5.1/dist/jquery.slim.min.js" crossorigin="anonymous"></script>
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.1/dist/js/bootstrap.bundle.min.js"
        crossorigin="anonymous"></script>

</body>

</html>